.turn_box_container {
  margin-left: 10px;
}
 
.turn_box_container {
  position: relative;
  display: inline-block;
  float: left;
  overflow: hidden;
  background-color: yellow;
}
 
.turn_box {
  position: absolute;
  left: 0;
  top: 0;
  height: auto;
  width: 100%;
  transform-origin: 0 0;
  transition: top 0.8s;
}
 
.turn_box_number {
  line-height: 100px;
  font-size: 66px;
  font-family: MicrosoftYaHei-Bold;
  font-weight: bold;
  color: #4898F1;
  text-align: center;
}